參數(shù)資料
型號(hào)： MC44602P2
廠商： MOTOROLA INC
元件分類： 穩(wěn)壓器
英文描述： RV Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 3.3V; Output Voltage (Vdc): 12V; Power: 2W; High Isolation 2W Converter; Approved for Medical Applications; EN and UL Safety Certificates; 6kVDC Isolation; Skinny DIP24 Package; Optional Continuous Short Circuit Protected; Fully Encapsulated; Very Low Isolation Capacitance
中文描述： 1.5 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP16
封裝： PLASTIC, DIP-16
文件頁數(shù)： 4/18頁
文件大小： 332K
代理商： MC44602P2
MC44602
4
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(VCC and VC = 12 V [Note 2], RT = 10k, CT = 1.0 nF, for typical values TA = 25
°
C, for min/max
values TA = –25
°
C to +85
°
C [Note 3] unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OUTPUT SECTION
Output Voltage (TA = 25
°
C)
Low State
Low State
Low State
(ISink = 100 mA)
(ISink = 1.0A)
(ISink = 1.5 A)
High State (ISource = 50 mA)
High State
(ISource = 0.5 A)
High State
(ISource = 0.75 A)
Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 1.0 mA)
Output Voltage Rise Time (CL = 1.0 nF, TJ = 25
°
C)
Output Voltage Fall Time (CL = 1.0 nF, TJ = 25
°
C)
VOL
(VCC–VOH)
–
–
–
–
–
–
0.6
1.8
2.1
1.4
1.7
1.8
0.3
2.0
2.6
1.7
2.0
2.2
V
VOL(UVLO)
tr
tf
–
0.1
1.1
V
–
50
150
ns
–
50
150
ns
PWM SECTION
Duty Cycle
Maximum
Minimum
DC(max)
DC(min)
46
–
48
–
50
0
%
TOTAL DEVICE
Power Supply Current
Startup (VCC = 5 V)
Operating (Note 2)
TJ = 25
°
C
TA = –25
°
C to +85
°
C
Power Supply Zener Voltage (ICC = 25 mA)
ICC
–
–
10
0.2
17
–
0.5
20
22
mA
VZ
18
20
23
V
OVERLOAD AND SHORT CIRCUIT PROTECTION
Foldback Amplifier Threshold (Figures 9,10)
VFB
Vth(VL)
Vth(Demag)
tPLH(in/out)
Rin
(VFB–100)
(VFB–200) (VFB–300)
2.5
88
1.1
18
mV
Load Detect Input
Valid Load Comparator Threshold (VPin 2 Increasing)
Demag Comparator Threshold (VPin 2 Decreasing)
Propagation Delay (Input to Sink or Source Output)
Input Resistance
2.0
50
–
12
3.0
120
1.6
30
V
mV
μ
S
k
NOTES:
2.Adjust VCC above the startup threshold before setting to 12V.
3.Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
Figure 1. Timing Resistor
versus Oscillator Frequency
2.0
5.0
8.0
20
50
80
R
)
1.0 M
500 k
200 k
100 k
50 k
20 k
10 k
fOSC, OSCILLATOR FREQUENCY (Hz)
CT=100 pF
CT=500 pF
Figure 2. Output Deadtime
versus Oscillator Frequency
1.0 M
100 k
10 k
fOSC, OSCILLATOR FREQUENCY (Hz)
50
%
55
60
65
70
75
30
10
3.0
0.8
20 k
50 k
200 k
500 k
Note: Output switches at
one–half the oscillator
frequency.
VCC = 12 V
TA = 25
°
C
CT=10 nF
CT=1.0 nF
CT=200 pF
CT=2.0 nF
VCC = 12 V
TA = 25
°
C
Note: Output switches at
one–half the oscillator frequency.
CT=5.0 nF
1. CT = 10 nF
3. CT = 2.0 nF
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC44603 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:MIXED FREQUENCY MODE GREENLINE PWM CONTROLLER
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MC44603ADWG 功能描述:電流型 PWM 控制器 ANA SMPS PWM FREQ CONT RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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